/* Biswasto.com - Main Stylesheet */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    line-height: 1.6;
}

.container {
    max-width: 1300px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-hero p {
    font-size: 18px;
    opacity: 0.9;
}

/* Gift Cards Section */
.gift-cards-section {
    padding: 80px 0;
    background: white;
}

.gift-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.gift-card-item {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s;
    border: 2px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.gift-card-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(37, 99, 235, 0.05), transparent);
    transform: rotate(45deg);
    transition: all 0.6s;
}

.gift-card-item:hover::before {
    left: 100%;
}

.gift-card-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
}

.gift-card-image {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 48px;
    color: white;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.gift-card-item h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 10px;
}

.gift-card-desc {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 20px;
}

.gift-card-values {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.value-tag {
    background: white;
    border: 2px solid #06b6d4;
    color: #06b6d4;
    padding: 8px 16px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 13px;
    transition: all 0.3s;
    cursor: pointer;
}

.value-tag:hover,
.value-tag.selected {
    background: #06b6d4;
    color: white;
    transform: scale(1.05);
}

.btn-gift-card {
    display: inline-block;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 14px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    border: none;
    cursor: pointer;
}

.btn-gift-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    background: linear-gradient(135deg, #1d4ed8 0%, #1e3a8a 100%);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 40px;
    border: none;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover,
.close:focus {
    color: #000;
}

.modal-content h2 {
    color: #2563eb;
    margin-bottom: 25px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #1e293b;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.display-value {
    background: #f0f9ff;
    padding: 12px 15px;
    border-radius: 8px;
    color: #075985;
    font-weight: 600;
    border: 1px solid #0ea5e9;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 32px;
    }
    
    .gift-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        padding: 30px 20px;
    }
}